| Cay to Oschatz | 1,234.16 mi (1,986.19 km) |
| Cay to Oschersleben | 1,327.45 mi (2,136.33 km) |
| Cay to Osnabruck | 1,450.18 mi (2,333.85 km) |
| Cay to Ostbevern | 1,448.86 mi (2,331.71 km) |
| Cay to Osterburg | 1,342.77 mi (2,160.97 km) |
| Cay to Ostercappeln | 1,446.03 mi (2,327.17 km) |
| Cay to Osterhofen | 1,134.63 mi (1,826.01 km) |
| Cay to Osterholz-Scharmbeck | 1,459.28 mi (2,348.49 km) |
| Cay to Osternienburg | 1,292.34 mi (2,079.82 km) |
| Cay to Osterode | 1,350.70 mi (2,173.74 km) |
| Cay to Osterwieck | 1,343.78 mi (2,162.61 km) |
| Cay to Ostfildern | 1,287.38 mi (2,071.84 km) |
| Cay to Osthofen | 1,353.80 mi (2,178.74 km) |
| Cay to Ostrhauderfehn | 1,496.18 mi (2,407.88 km) |
| Cay to Ostringen | 1,323.76 mi (2,130.38 km) |
