| Kirksville to Oerlinghausen | 4,517.15 mi (7,269.65 km) |
| Kirksville to Oestrich-Winkel | 4,570.58 mi (7,355.64 km) |
| Kirksville to Offenburg | 4,629.00 mi (7,449.66 km) |
| Kirksville to Oftersheim | 4,616.98 mi (7,430.30 km) |
| Kirksville to Ohrdruf | 4,635.30 mi (7,459.80 km) |
| Kirksville to Ohringen | 4,657.35 mi (7,495.29 km) |
| Kirksville to Olbernhau | 4,732.77 mi (7,616.66 km) |
| Kirksville to Olching | 4,765.06 mi (7,668.63 km) |
| Kirksville to Oldenburg | 4,455.76 mi (7,170.86 km) |
| Kirksville to Oldenburg in Holstein | 4,500.69 mi (7,243.16 km) |
| Kirksville to Olfen | 4,481.50 mi (7,212.28 km) |
| Kirksville to Olpe | 4,524.68 mi (7,281.77 km) |
| Kirksville to Olsberg | 4,534.85 mi (7,298.13 km) |
| Kirksville to Oranienburg | 4,641.69 mi (7,470.08 km) |
| Kirksville to Ortenberg | 4,594.67 mi (7,394.41 km) |
