| Rolla to Orbetello | 5,077.17 mi (8,170.92 km) |
| Rolla to Oria | 5,420.32 mi (8,723.16 km) |
| Rolla to Oristano | 5,071.07 mi (8,161.10 km) |
| Rolla to Orta Nova | 5,306.56 mi (8,540.08 km) |
| Rolla to Orte | 5,124.06 mi (8,246.38 km) |
| Rolla to Ortona | 5,209.79 mi (8,384.35 km) |
| Rolla to Orvieto | 5,102.11 mi (8,211.05 km) |
| Rolla to Orzinuovi | 4,905.46 mi (7,894.57 km) |
| Rolla to Osimo | 5,124.97 mi (8,247.84 km) |
| Rolla to Ospitaletto | 4,904.80 mi (7,893.52 km) |
| Rolla to Ostuni | 5,407.84 mi (8,703.08 km) |
| Rolla to Ottaviano | 5,277.67 mi (8,493.58 km) |
| Rolla to Ovada | 4,884.10 mi (7,860.20 km) |
| Rolla to Ozieri | 5,061.08 mi (8,145.02 km) |
| Rolla to Paceco | 5,320.79 mi (8,562.98 km) |
