| Tukums to Oerlinghausen | 674.47 mi (1,085.46 km) |
| Tukums to Oestrich-Winkel | 784.30 mi (1,262.21 km) |
| Tukums to Offenburg | 862.80 mi (1,388.54 km) |
| Tukums to Oftersheim | 796.72 mi (1,282.19 km) |
| Tukums to Ohrdruf | 658.16 mi (1,059.21 km) |
| Tukums to Ohringen | 777.69 mi (1,251.57 km) |
| Tukums to Olbernhau | 590.34 mi (950.05 km) |
| Tukums to Olching | 781.14 mi (1,257.13 km) |
| Tukums to Oldenburg | 645.69 mi (1,039.14 km) |
| Tukums to Oldenburg in Holstein | 511.80 mi (823.66 km) |
| Tukums to Olfen | 728.88 mi (1,173.02 km) |
| Tukums to Olpe | 743.15 mi (1,195.98 km) |
| Tukums to Olsberg | 706.78 mi (1,137.45 km) |
| Tukums to Oranienburg | 489.25 mi (787.37 km) |
| Tukums to Ortenberg | 733.58 mi (1,180.58 km) |
