| Appleton to Oerlinghausen | 478.94 mi (770.77 km) |
| Appleton to Oestrich-Winkel | 506.96 mi (815.87 km) |
| Appleton to Offenburg | 566.74 mi (912.08 km) |
| Appleton to Oftersheim | 552.43 mi (889.05 km) |
| Appleton to Ohrdruf | 588.97 mi (947.86 km) |
| Appleton to Ohringen | 593.28 mi (954.79 km) |
| Appleton to Olbernhau | 698.62 mi (1,124.31 km) |
| Appleton to Olching | 700.70 mi (1,127.67 km) |
| Appleton to Oldenburg | 444.57 mi (715.47 km) |
| Appleton to Oldenburg in Holstein | 550.66 mi (886.20 km) |
| Appleton to Olfen | 431.84 mi (694.99 km) |
| Appleton to Olpe | 467.74 mi (752.76 km) |
| Appleton to Olsberg | 484.93 mi (780.42 km) |
| Appleton to Oranienburg | 655.35 mi (1,054.68 km) |
| Appleton to Ortenberg | 535.75 mi (862.21 km) |
