| McKinney to Oerlinghausen | 5,033.01 mi (8,099.85 km) |
| McKinney to Oestrich-Winkel | 5,081.35 mi (8,177.64 km) |
| McKinney to Offenburg | 5,135.88 mi (8,265.40 km) |
| McKinney to Oftersheim | 5,126.84 mi (8,250.84 km) |
| McKinney to Ohrdruf | 5,150.62 mi (8,289.11 km) |
| McKinney to Ohringen | 5,167.79 mi (8,316.75 km) |
| McKinney to Olbernhau | 5,250.17 mi (8,449.33 km) |
| McKinney to Olching | 5,275.16 mi (8,489.55 km) |
| McKinney to Oldenburg | 4,973.71 mi (8,004.42 km) |
| McKinney to Oldenburg in Holstein | 5,022.77 mi (8,083.37 km) |
| McKinney to Olfen | 4,995.68 mi (8,039.77 km) |
| McKinney to Olpe | 5,037.67 mi (8,107.35 km) |
| McKinney to Olsberg | 5,049.20 mi (8,125.91 km) |
| McKinney to Oranienburg | 5,162.82 mi (8,308.76 km) |
| McKinney to Ortenberg | 5,107.33 mi (8,219.46 km) |
