| Janakkala to Oestrich-Winkel | 991.43 mi (1,595.55 km) |
| Janakkala to Offenburg | 1,082.25 mi (1,741.71 km) |
| Janakkala to Oftersheim | 1,013.56 mi (1,631.17 km) |
| Janakkala to Ohrdruf | 877.66 mi (1,412.45 km) |
| Janakkala to Ohringen | 1,002.21 mi (1,612.90 km) |
| Janakkala to Olbernhau | 830.96 mi (1,337.31 km) |
| Janakkala to Olching | 1,023.91 mi (1,647.83 km) |
| Janakkala to Oldenburg | 814.71 mi (1,311.15 km) |
| Janakkala to Oldenburg in Holstein | 682.15 mi (1,097.81 km) |
| Janakkala to Olfen | 912.28 mi (1,468.18 km) |
| Janakkala to Olpe | 938.47 mi (1,510.32 km) |
| Janakkala to Olsberg | 903.17 mi (1,453.51 km) |
| Janakkala to Oranienburg | 707.94 mi (1,139.33 km) |
| Janakkala to Ortenberg | 944.99 mi (1,520.82 km) |
| Janakkala to Oschatz | 797.01 mi (1,282.67 km) |
