| Frederick to Nyon | 4,059.07 mi (6,532.45 km) |
| Frederick to Oberriet | 4,170.64 mi (6,711.99 km) |
| Frederick to Obersiggenthal | 4,112.21 mi (6,617.96 km) |
| Frederick to Oberwil | 4,080.57 mi (6,567.04 km) |
| Frederick to Oberwingert | 4,131.14 mi (6,648.43 km) |
| Frederick to Oftringen | 4,101.77 mi (6,601.17 km) |
| Frederick to Olten | 4,100.05 mi (6,598.39 km) |
| Frederick to Onex | 4,059.44 mi (6,533.04 km) |
| Frederick to Opfikon | 4,125.33 mi (6,639.08 km) |
| Frederick to Ostermundigen | 4,094.96 mi (6,590.20 km) |
| Frederick to Payerne | 4,075.68 mi (6,559.17 km) |
| Frederick to Pfaffikon | 4,136.45 mi (6,656.97 km) |
| Frederick to Plan-les-Ouates | 4,060.67 mi (6,535.01 km) |
| Frederick to Pratteln | 4,086.55 mi (6,576.67 km) |
| Frederick to Prilly | 4,070.16 mi (6,550.30 km) |
