| North Potomac to Imola | 4,366.16 mi (7,026.65 km) |
| North Potomac to Impruneta | 4,368.97 mi (7,031.18 km) |
| North Potomac to Induno Olona | 4,193.33 mi (6,748.51 km) |
| North Potomac to Inverigo | 4,213.43 mi (6,780.87 km) |
| North Potomac to Inveruno | 4,204.67 mi (6,766.76 km) |
| North Potomac to Inzago | 4,231.27 mi (6,809.57 km) |
| North Potomac to Iseo | 4,251.55 mi (6,842.20 km) |
| North Potomac to Isernia | 4,573.11 mi (7,359.71 km) |
| North Potomac to Isola Capo Rizzuto | 4,799.00 mi (7,723.25 km) |
| North Potomac to Isola del Liri | 4,541.06 mi (7,308.13 km) |
| North Potomac to Isola della Scala | 4,305.14 mi (6,928.46 km) |
| North Potomac to Isola Vicentina | 4,311.65 mi (6,938.92 km) |
| North Potomac to Ispica | 4,784.15 mi (7,699.34 km) |
| North Potomac to Istrana | 4,337.41 mi (6,980.38 km) |
| North Potomac to Itri | 4,553.71 mi (7,328.48 km) |
