| Idanha-a-Nova to Somersworth (New Hampshire) | 3,216.88 mi (5,177.07 km) |
| Idanha-a-Nova to Somerton (Arizona) | 5,615.17 mi (9,036.75 km) |
| Idanha-a-Nova to Somerville (Massachusetts) | 3,246.85 mi (5,225.30 km) |
| Idanha-a-Nova to Somerville (New Jersey) | 3,461.59 mi (5,570.90 km) |
| Idanha-a-Nova to Sonoma (California) | 5,658.17 mi (9,105.95 km) |
| Idanha-a-Nova to Soquel (California) | 5,702.15 mi (9,176.72 km) |
| Idanha-a-Nova to South Bend (Indiana) | 3,980.76 mi (6,406.41 km) |
| Idanha-a-Nova to South Bradenton (Florida) | 4,290.20 mi (6,904.40 km) |
| Idanha-a-Nova to South Burlington (Vermont) | 3,300.01 mi (5,310.86 km) |
| Idanha-a-Nova to South Charleston (West Virginia) | 3,870.11 mi (6,228.34 km) |
| Idanha-a-Nova to South Daytona (Florida) | 4,146.18 mi (6,672.63 km) |
| Idanha-a-Nova to South El Monte (California) | 5,688.50 mi (9,154.76 km) |
| Idanha-a-Nova to South Elgin (Illinois) | 4,064.32 mi (6,540.89 km) |
| Idanha-a-Nova to South Euclid (Ohio) | 3,764.84 mi (6,058.93 km) |
| Idanha-a-Nova to South Farmingdale (New York) | 3,401.37 mi (5,473.98 km) |
