| Romulus to Isny im Allgau | 4,293.16 mi (6,909.17 km) |
| Romulus to Isselburg | 4,008.47 mi (6,451.00 km) |
| Romulus to Issum | 4,016.79 mi (6,464.40 km) |
| Romulus to Itzehoe | 4,047.82 mi (6,514.33 km) |
| Romulus to Jena | 4,229.96 mi (6,807.46 km) |
| Romulus to Jever | 4,002.31 mi (6,441.10 km) |
| Romulus to Jork | 4,067.19 mi (6,545.51 km) |
| Romulus to Juchen | 4,034.60 mi (6,493.06 km) |
| Romulus to Julich | 4,035.29 mi (6,494.17 km) |
| Romulus to Juterbog | 4,243.73 mi (6,829.62 km) |
| Romulus to Kaarst | 4,034.99 mi (6,493.69 km) |
| Romulus to Kaiserslautern | 4,140.77 mi (6,663.93 km) |
| Romulus to Kalkar | 4,005.14 mi (6,445.64 km) |
| Romulus to Kall | 4,055.33 mi (6,526.42 km) |
| Romulus to Kaltenkirchen | 4,066.41 mi (6,544.26 km) |
