| Upminster to Nyon | 448.39 mi (721.61 km) |
| Upminster to Oberriet | 510.24 mi (821.15 km) |
| Upminster to Obersiggenthal | 456.84 mi (735.21 km) |
| Upminster to Oberwil | 430.05 mi (692.09 km) |
| Upminster to Oberwingert | 472.52 mi (760.44 km) |
| Upminster to Oftringen | 451.70 mi (726.93 km) |
| Upminster to Olten | 449.55 mi (723.48 km) |
| Upminster to Onex | 456.24 mi (734.25 km) |
| Upminster to Opfikon | 468.98 mi (754.75 km) |
| Upminster to Ostermundigen | 455.22 mi (732.60 km) |
| Upminster to Payerne | 444.92 mi (716.03 km) |
| Upminster to Pfaffikon | 479.68 mi (771.97 km) |
| Upminster to Plan-les-Ouates | 457.64 mi (736.50 km) |
| Upminster to Pratteln | 434.86 mi (699.85 km) |
| Upminster to Prilly | 450.31 mi (724.71 km) |
