| Ardahan to Oschatz | 1,566.02 mi (2,520.27 km) |
| Ardahan to Oschersleben | 1,655.63 mi (2,664.48 km) |
| Ardahan to Osnabruck | 1,791.94 mi (2,883.84 km) |
| Ardahan to Ostbevern | 1,797.13 mi (2,892.20 km) |
| Ardahan to Osterburg | 1,648.96 mi (2,653.75 km) |
| Ardahan to Ostercappeln | 1,785.30 mi (2,873.16 km) |
| Ardahan to Osterhofen | 1,532.62 mi (2,466.51 km) |
| Ardahan to Osterholz-Scharmbeck | 1,775.82 mi (2,857.91 km) |
| Ardahan to Osternienburg | 1,620.22 mi (2,607.49 km) |
| Ardahan to Osterode | 1,692.29 mi (2,723.47 km) |
| Ardahan to Osterwieck | 1,676.78 mi (2,698.52 km) |
| Ardahan to Ostfildern | 1,703.42 mi (2,741.39 km) |
| Ardahan to Osthofen | 1,751.77 mi (2,819.19 km) |
| Ardahan to Ostrhauderfehn | 1,821.85 mi (2,931.99 km) |
| Ardahan to Ostringen | 1,731.05 mi (2,785.85 km) |
