| Potomac Park to Isny im Allgau | 5,891.29 mi (9,481.12 km) |
| Potomac Park to Isselburg | 5,570.70 mi (8,965.18 km) |
| Potomac Park to Issum | 5,584.48 mi (8,987.36 km) |
| Potomac Park to Itzehoe | 5,546.24 mi (8,925.82 km) |
| Potomac Park to Jena | 5,761.54 mi (9,272.31 km) |
| Potomac Park to Jever | 5,521.29 mi (8,885.66 km) |
| Potomac Park to Jork | 5,571.20 mi (8,965.98 km) |
| Potomac Park to Juchen | 5,609.13 mi (9,027.03 km) |
| Potomac Park to Julich | 5,614.09 mi (9,035.00 km) |
| Potomac Park to Juterbog | 5,743.06 mi (9,242.56 km) |
| Potomac Park to Kaarst | 5,606.56 mi (9,022.89 km) |
| Potomac Park to Kaiserslautern | 5,731.80 mi (9,224.44 km) |
| Potomac Park to Kalkar | 5,570.49 mi (8,964.83 km) |
| Potomac Park to Kall | 5,638.77 mi (9,074.72 km) |
| Potomac Park to Kaltenkirchen | 5,562.42 mi (8,951.84 km) |
