| Fort Washington to Nyon | 4,070.53 mi (6,550.89 km) |
| Fort Washington to Oberriet | 4,184.02 mi (6,733.54 km) |
| Fort Washington to Obersiggenthal | 4,125.35 mi (6,639.11 km) |
| Fort Washington to Oberwil | 4,093.51 mi (6,587.86 km) |
| Fort Washington to Oberwingert | 4,144.46 mi (6,669.87 km) |
| Fort Washington to Oftringen | 4,114.64 mi (6,621.88 km) |
| Fort Washington to Olten | 4,112.94 mi (6,619.14 km) |
| Fort Washington to Onex | 4,070.67 mi (6,551.11 km) |
| Fort Washington to Opfikon | 4,138.51 mi (6,660.29 km) |
| Fort Washington to Ostermundigen | 4,107.35 mi (6,610.15 km) |
| Fort Washington to Payerne | 4,087.77 mi (6,578.63 km) |
| Fort Washington to Pfaffikon | 4,149.63 mi (6,678.19 km) |
| Fort Washington to Plan-les-Ouates | 4,071.88 mi (6,553.06 km) |
| Fort Washington to Pratteln | 4,099.54 mi (6,597.57 km) |
| Fort Washington to Prilly | 4,081.88 mi (6,569.15 km) |
