| Cities | Distance |
|---|---|
| Roman to Oerlinghausen | 888.05 mi (1,429.18 km) |
| Roman to Oestrich-Winkel | 890.18 mi (1,432.61 km) |
| Roman to Offenburg | 887.42 mi (1,428.16 km) |
| Roman to Oftersheim | 860.05 mi (1,384.12 km) |
| Roman to Ohrdruf | 781.75 mi (1,258.11 km) |
| Roman to Ohringen | 818.02 mi (1,316.48 km) |
| Roman to Olbernhau | 669.26 mi (1,077.07 km) |
| Roman to Olching | 731.89 mi (1,177.86 km) |
| Roman to Oldenburg | 931.15 mi (1,498.54 km) |
| Roman to Oldenburg in Holstein | 865.21 mi (1,392.41 km) |
| Roman to Olfen | 936.83 mi (1,507.68 km) |
| Roman to Olpe | 907.92 mi (1,461.16 km) |
| Roman to Olsberg | 885.07 mi (1,424.39 km) |
| Roman to Oranienburg | 729.05 mi (1,173.28 km) |
| Roman to Ortenberg | 847.31 mi (1,363.61 km) |