| Arco to Somersworth (New Hampshire) | 3,842.58 mi (6,184.03 km) |
| Arco to Somerton (Arizona) | 6,036.28 mi (9,714.45 km) |
| Arco to Somerville (Massachusetts) | 3,884.78 mi (6,251.94 km) |
| Arco to Somerville (New Jersey) | 4,105.65 mi (6,607.41 km) |
| Arco to Sonoma (California) | 5,939.78 mi (9,559.15 km) |
| Arco to Soquel (California) | 6,002.39 mi (9,659.92 km) |
| Arco to South Bend (Indiana) | 4,533.26 mi (7,295.58 km) |
| Arco to South Bradenton (Florida) | 5,037.31 mi (8,106.77 km) |
| Arco to South Burlington (Vermont) | 3,893.23 mi (6,265.55 km) |
| Arco to South Charleston (West Virginia) | 4,498.64 mi (7,239.86 km) |
| Arco to South Daytona (Florida) | 4,886.86 mi (7,864.65 km) |
| Arco to South El Monte (California) | 6,060.11 mi (9,752.81 km) |
| Arco to South Elgin (Illinois) | 4,598.26 mi (7,400.19 km) |
| Arco to South Euclid (Ohio) | 4,351.40 mi (7,002.91 km) |
| Arco to South Farmingdale (New York) | 4,050.40 mi (6,518.49 km) |
