| Romulus to Ratingen | 4,040.91 mi (6,503.21 km) |
| Romulus to Ratzeburg | 4,099.09 mi (6,596.85 km) |
| Romulus to Raubling | 4,369.20 mi (7,031.55 km) |
| Romulus to Rauenberg | 4,183.03 mi (6,731.93 km) |
| Romulus to Raunheim | 4,146.29 mi (6,672.80 km) |
| Romulus to Ravensburg | 4,273.06 mi (6,876.83 km) |
| Romulus to Recke | 4,036.54 mi (6,496.19 km) |
| Romulus to Recklinghausen | 4,042.81 mi (6,506.28 km) |
| Romulus to Regen | 4,362.16 mi (7,020.22 km) |
| Romulus to Regensburg | 4,320.81 mi (6,953.68 km) |
| Romulus to Regenstauf | 4,318.40 mi (6,949.79 km) |
| Romulus to Rehau | 4,271.26 mi (6,873.93 km) |
| Romulus to Rehburg-Loccum | 4,088.05 mi (6,579.08 km) |
| Romulus to Rehlingen-Siersburg | 4,101.41 mi (6,600.58 km) |
| Romulus to Reichelsheim | 4,171.97 mi (6,714.14 km) |
