| Lake Forest Park to Oerlinghausen | 4,963.88 mi (7,988.59 km) |
| Lake Forest Park to Oestrich-Winkel | 5,063.18 mi (8,148.40 km) |
| Lake Forest Park to Offenburg | 5,151.15 mi (8,289.97 km) |
| Lake Forest Park to Oftersheim | 5,113.91 mi (8,230.04 km) |
| Lake Forest Park to Ohrdruf | 5,077.52 mi (8,171.49 km) |
| Lake Forest Park to Ohringen | 5,145.58 mi (8,281.01 km) |
| Lake Forest Park to Olbernhau | 5,144.07 mi (8,278.58 km) |
| Lake Forest Park to Olching | 5,247.30 mi (8,444.72 km) |
| Lake Forest Park to Oldenburg | 4,885.08 mi (7,861.78 km) |
| Lake Forest Park to Oldenburg in Holstein | 4,875.33 mi (7,846.08 km) |
| Lake Forest Park to Olfen | 4,948.84 mi (7,964.39 km) |
| Lake Forest Park to Olpe | 5,000.00 mi (8,046.73 km) |
| Lake Forest Park to Olsberg | 4,995.69 mi (8,039.79 km) |
| Lake Forest Park to Oranienburg | 5,016.36 mi (8,073.06 km) |
| Lake Forest Park to Ortenberg | 5,067.16 mi (8,154.80 km) |
