| Tallinn to Oestrich-Winkel | 928.75 mi (1,494.68 km) |
| Tallinn to Offenburg | 1,014.93 mi (1,633.38 km) |
| Tallinn to Oftersheim | 947.04 mi (1,524.11 km) |
| Tallinn to Ohrdruf | 809.32 mi (1,302.48 km) |
| Tallinn to Ohringen | 932.45 mi (1,500.64 km) |
| Tallinn to Olbernhau | 753.61 mi (1,212.82 km) |
| Tallinn to Olching | 946.35 mi (1,523.00 km) |
| Tallinn to Oldenburg | 765.41 mi (1,231.81 km) |
| Tallinn to Oldenburg in Holstein | 630.56 mi (1,014.79 km) |
| Tallinn to Olfen | 858.42 mi (1,381.50 km) |
| Tallinn to Olpe | 880.16 mi (1,416.48 km) |
| Tallinn to Olsberg | 844.19 mi (1,358.59 km) |
| Tallinn to Oranienburg | 638.57 mi (1,027.68 km) |
| Tallinn to Ortenberg | 880.32 mi (1,416.74 km) |
| Tallinn to Oschatz | 722.39 mi (1,162.58 km) |
