| Mountain Top to Nyon | 3,925.62 mi (6,317.67 km) |
| Mountain Top to Oberriet | 4,035.43 mi (6,494.40 km) |
| Mountain Top to Obersiggenthal | 3,977.22 mi (6,400.72 km) |
| Mountain Top to Oberwil | 3,945.76 mi (6,350.09 km) |
| Mountain Top to Oberwingert | 3,996.00 mi (6,430.94 km) |
| Mountain Top to Oftringen | 3,967.03 mi (6,384.32 km) |
| Mountain Top to Olten | 3,965.28 mi (6,381.50 km) |
| Mountain Top to Onex | 3,926.21 mi (6,318.63 km) |
| Mountain Top to Opfikon | 3,990.31 mi (6,421.78 km) |
| Mountain Top to Ostermundigen | 3,960.63 mi (6,374.03 km) |
| Mountain Top to Payerne | 3,941.63 mi (6,343.45 km) |
| Mountain Top to Pfaffikon | 4,001.42 mi (6,439.66 km) |
| Mountain Top to Plan-les-Ouates | 3,927.45 mi (6,320.61 km) |
| Mountain Top to Pratteln | 3,951.70 mi (6,359.65 km) |
| Mountain Top to Prilly | 3,936.47 mi (6,335.13 km) |
