| Rolla to Oerlinghausen | 4,604.82 mi (7,410.74 km) |
| Rolla to Oestrich-Winkel | 4,653.36 mi (7,488.86 km) |
| Rolla to Offenburg | 4,708.35 mi (7,577.35 km) |
| Rolla to Oftersheim | 4,698.94 mi (7,562.21 km) |
| Rolla to Ohrdruf | 4,722.42 mi (7,600.00 km) |
| Rolla to Ohringen | 4,739.84 mi (7,628.03 km) |
| Rolla to Olbernhau | 4,822.02 mi (7,760.29 km) |
| Rolla to Olching | 4,847.25 mi (7,800.89 km) |
| Rolla to Oldenburg | 4,545.60 mi (7,315.44 km) |
| Rolla to Oldenburg in Holstein | 4,595.20 mi (7,395.26 km) |
| Rolla to Olfen | 4,567.50 mi (7,350.68 km) |
| Rolla to Olpe | 4,609.54 mi (7,418.33 km) |
| Rolla to Olsberg | 4,621.02 mi (7,436.81 km) |
| Rolla to Oranienburg | 4,735.05 mi (7,620.33 km) |
| Rolla to Ortenberg | 4,679.21 mi (7,530.47 km) |
