| Kirkwood to Oerlinghausen | 4,523.83 mi (7,280.40 km) |
| Kirkwood to Oestrich-Winkel | 4,571.51 mi (7,357.14 km) |
| Kirkwood to Offenburg | 4,625.96 mi (7,444.77 km) |
| Kirkwood to Oftersheim | 4,616.95 mi (7,430.26 km) |
| Kirkwood to Ohrdruf | 4,641.31 mi (7,469.46 km) |
| Kirkwood to Ohringen | 4,657.93 mi (7,496.21 km) |
| Kirkwood to Olbernhau | 4,741.29 mi (7,630.37 km) |
| Kirkwood to Olching | 4,765.28 mi (7,668.97 km) |
| Kirkwood to Oldenburg | 4,465.03 mi (7,185.78 km) |
| Kirkwood to Oldenburg in Holstein | 4,515.61 mi (7,267.16 km) |
| Kirkwood to Olfen | 4,486.21 mi (7,219.85 km) |
| Kirkwood to Olpe | 4,528.04 mi (7,287.17 km) |
| Kirkwood to Olsberg | 4,539.75 mi (7,306.02 km) |
| Kirkwood to Oranienburg | 4,655.18 mi (7,491.79 km) |
| Kirkwood to Ortenberg | 4,597.65 mi (7,399.21 km) |
