| Forest Park to Nyon | 4,364.65 mi (7,024.22 km) |
| Forest Park to Oberriet | 4,467.44 mi (7,189.64 km) |
| Forest Park to Obersiggenthal | 4,410.26 mi (7,097.63 km) |
| Forest Park to Oberwil | 4,379.62 mi (7,048.31 km) |
| Forest Park to Oberwingert | 4,428.35 mi (7,126.74 km) |
| Forest Park to Oftringen | 4,401.09 mi (7,082.87 km) |
| Forest Park to Olten | 4,399.25 mi (7,079.91 km) |
| Forest Park to Onex | 4,366.01 mi (7,026.41 km) |
| Forest Park to Opfikon | 4,423.19 mi (7,118.43 km) |
| Forest Park to Ostermundigen | 4,396.38 mi (7,075.30 km) |
| Forest Park to Payerne | 4,378.49 mi (7,046.49 km) |
| Forest Park to Pfaffikon | 4,434.24 mi (7,136.23 km) |
| Forest Park to Plan-les-Ouates | 4,367.27 mi (7,028.44 km) |
| Forest Park to Pratteln | 4,385.37 mi (7,057.58 km) |
| Forest Park to Prilly | 4,374.60 mi (7,040.24 km) |
