| Roma to Nyon | 5,583.46 mi (8,985.72 km) |
| Roma to Oberriet | 5,687.67 mi (9,153.42 km) |
| Roma to Obersiggenthal | 5,630.38 mi (9,061.23 km) |
| Roma to Oberwil | 5,599.63 mi (9,011.73 km) |
| Roma to Oberwingert | 5,648.55 mi (9,090.46 km) |
| Roma to Oftringen | 5,621.07 mi (9,046.25 km) |
| Roma to Olten | 5,619.25 mi (9,043.31 km) |
| Roma to Onex | 5,584.57 mi (8,987.49 km) |
| Roma to Opfikon | 5,643.33 mi (9,082.06 km) |
| Roma to Ostermundigen | 5,616.07 mi (9,038.19 km) |
| Roma to Payerne | 5,597.92 mi (9,008.98 km) |
| Roma to Pfaffikon | 5,654.39 mi (9,099.87 km) |
| Roma to Plan-les-Ouates | 5,585.82 mi (8,989.51 km) |
| Roma to Pratteln | 5,605.41 mi (9,021.04 km) |
| Roma to Prilly | 5,593.70 mi (9,002.18 km) |
