| Little Elm to Oerlinghausen | 5,043.30 mi (8,116.40 km) |
| Little Elm to Oestrich-Winkel | 5,092.01 mi (8,194.80 km) |
| Little Elm to Offenburg | 5,146.80 mi (8,282.97 km) |
| Little Elm to Oftersheim | 5,137.56 mi (8,268.11 km) |
| Little Elm to Ohrdruf | 5,160.95 mi (8,305.74 km) |
| Little Elm to Ohringen | 5,178.48 mi (8,333.95 km) |
| Little Elm to Olbernhau | 5,260.34 mi (8,465.70 km) |
| Little Elm to Olching | 5,285.88 mi (8,506.80 km) |
| Little Elm to Oldenburg | 4,983.82 mi (8,020.69 km) |
| Little Elm to Oldenburg in Holstein | 5,032.50 mi (8,099.02 km) |
| Little Elm to Olfen | 5,006.10 mi (8,056.53 km) |
| Little Elm to Olpe | 5,048.18 mi (8,124.26 km) |
| Little Elm to Olsberg | 5,059.61 mi (8,142.65 km) |
| Little Elm to Oranienburg | 5,172.65 mi (8,324.57 km) |
| Little Elm to Ortenberg | 5,117.86 mi (8,236.40 km) |
