| Washington Court House to Nyon | 4,308.20 mi (6,933.38 km) |
| Washington Court House to Oberriet | 4,411.92 mi (7,100.31 km) |
| Washington Court House to Obersiggenthal | 4,354.60 mi (7,008.06 km) |
| Washington Court House to Oberwil | 4,323.85 mi (6,958.56 km) |
| Washington Court House to Oberwingert | 4,372.79 mi (7,037.32 km) |
| Washington Court House to Oftringen | 4,345.30 mi (6,993.08 km) |
| Washington Court House to Olten | 4,343.47 mi (6,990.14 km) |
| Washington Court House to Onex | 4,309.46 mi (6,935.40 km) |
| Washington Court House to Opfikon | 4,367.55 mi (7,028.90 km) |
| Washington Court House to Ostermundigen | 4,340.37 mi (6,985.15 km) |
| Washington Court House to Payerne | 4,322.33 mi (6,956.11 km) |
| Washington Court House to Pfaffikon | 4,378.62 mi (7,046.71 km) |
| Washington Court House to Plan-les-Ouates | 4,310.72 mi (6,937.43 km) |
| Washington Court House to Pratteln | 4,329.63 mi (6,967.87 km) |
| Washington Court House to Prilly | 4,318.27 mi (6,949.59 km) |
