| Paducah to Oerlinghausen | 4,536.25 mi (7,300.39 km) |
| Paducah to Oestrich-Winkel | 4,578.77 mi (7,368.82 km) |
| Paducah to Offenburg | 4,629.63 mi (7,450.66 km) |
| Paducah to Oftersheim | 4,623.29 mi (7,440.47 km) |
| Paducah to Ohrdruf | 4,652.94 mi (7,488.19 km) |
| Paducah to Ohringen | 4,664.73 mi (7,507.17 km) |
| Paducah to Olbernhau | 4,754.98 mi (7,652.41 km) |
| Paducah to Olching | 4,771.60 mi (7,679.14 km) |
| Paducah to Oldenburg | 4,479.84 mi (7,209.61 km) |
| Paducah to Oldenburg in Holstein | 4,535.31 mi (7,298.87 km) |
| Paducah to Olfen | 4,496.95 mi (7,237.14 km) |
| Paducah to Olpe | 4,537.52 mi (7,302.43 km) |
| Paducah to Olsberg | 4,550.58 mi (7,323.44 km) |
| Paducah to Oranienburg | 4,673.40 mi (7,521.10 km) |
| Paducah to Ortenberg | 4,606.69 mi (7,413.75 km) |
