| Lake Stickney to Oerlinghausen | 4,956.26 mi (7,976.32 km) |
| Lake Stickney to Oestrich-Winkel | 5,055.63 mi (8,136.26 km) |
| Lake Stickney to Offenburg | 5,143.65 mi (8,277.90 km) |
| Lake Stickney to Oftersheim | 5,106.36 mi (8,217.89 km) |
| Lake Stickney to Ohrdruf | 5,069.88 mi (8,159.18 km) |
| Lake Stickney to Ohringen | 5,138.01 mi (8,268.83 km) |
| Lake Stickney to Olbernhau | 5,136.36 mi (8,266.17 km) |
| Lake Stickney to Olching | 5,239.71 mi (8,432.49 km) |
| Lake Stickney to Oldenburg | 4,877.44 mi (7,849.48 km) |
| Lake Stickney to Oldenburg in Holstein | 4,867.59 mi (7,833.64 km) |
| Lake Stickney to Olfen | 4,941.26 mi (7,952.19 km) |
| Lake Stickney to Olpe | 4,992.43 mi (8,034.54 km) |
| Lake Stickney to Olsberg | 4,988.09 mi (8,027.56 km) |
| Lake Stickney to Oranienburg | 5,008.61 mi (8,060.58 km) |
| Lake Stickney to Ortenberg | 5,059.57 mi (8,142.59 km) |
