| Oconomowoc to Nyon | 4,356.62 mi (7,011.30 km) |
| Oconomowoc to Oberriet | 4,446.21 mi (7,155.48 km) |
| Oconomowoc to Obersiggenthal | 4,391.21 mi (7,066.97 km) |
| Oconomowoc to Oberwil | 4,362.19 mi (7,020.26 km) |
| Oconomowoc to Oberwingert | 4,407.98 mi (7,093.96 km) |
| Oconomowoc to Oftringen | 4,383.87 mi (7,055.15 km) |
| Oconomowoc to Olten | 4,381.89 mi (7,051.97 km) |
| Oconomowoc to Onex | 4,359.41 mi (7,015.79 km) |
| Oconomowoc to Opfikon | 4,403.76 mi (7,087.17 km) |
| Oconomowoc to Ostermundigen | 4,382.17 mi (7,052.42 km) |
| Oconomowoc to Payerne | 4,366.38 mi (7,027.00 km) |
| Oconomowoc to Pfaffikon | 4,414.65 mi (7,104.70 km) |
| Oconomowoc to Plan-les-Ouates | 4,360.72 mi (7,017.90 km) |
| Oconomowoc to Pratteln | 4,367.58 mi (7,028.94 km) |
| Oconomowoc to Prilly | 4,364.86 mi (7,024.56 km) |
