| Upper Montclair to Nyon | 3,864.43 mi (6,219.20 km) |
| Upper Montclair to Oberriet | 3,976.90 mi (6,400.21 km) |
| Upper Montclair to Obersiggenthal | 3,918.34 mi (6,305.96 km) |
| Upper Montclair to Oberwil | 3,886.59 mi (6,254.87 km) |
| Upper Montclair to Oberwingert | 3,937.37 mi (6,336.59 km) |
| Upper Montclair to Oftringen | 3,907.77 mi (6,288.94 km) |
| Upper Montclair to Olten | 3,906.05 mi (6,286.18 km) |
| Upper Montclair to Onex | 3,864.71 mi (6,219.65 km) |
| Upper Montclair to Opfikon | 3,931.48 mi (6,327.11 km) |
| Upper Montclair to Ostermundigen | 3,900.72 mi (6,277.60 km) |
| Upper Montclair to Payerne | 3,881.30 mi (6,246.35 km) |
| Upper Montclair to Pfaffikon | 3,942.60 mi (6,345.01 km) |
| Upper Montclair to Plan-les-Ouates | 3,865.93 mi (6,221.62 km) |
| Upper Montclair to Pratteln | 3,892.61 mi (6,264.54 km) |
| Upper Montclair to Prilly | 3,875.63 mi (6,237.22 km) |
