| Hattula to Oestrich-Winkel | 991.01 mi (1,594.88 km) |
| Hattula to Offenburg | 1,082.54 mi (1,742.18 km) |
| Hattula to Oftersheim | 1,013.76 mi (1,631.49 km) |
| Hattula to Ohrdruf | 878.26 mi (1,413.42 km) |
| Hattula to Ohringen | 1,002.97 mi (1,614.12 km) |
| Hattula to Olbernhau | 833.21 mi (1,340.92 km) |
| Hattula to Olching | 1,026.07 mi (1,651.31 km) |
| Hattula to Oldenburg | 812.42 mi (1,307.46 km) |
| Hattula to Oldenburg in Holstein | 680.35 mi (1,094.92 km) |
| Hattula to Olfen | 910.57 mi (1,465.41 km) |
| Hattula to Olpe | 937.40 mi (1,508.61 km) |
| Hattula to Olsberg | 902.24 mi (1,452.01 km) |
| Hattula to Oranienburg | 708.89 mi (1,140.85 km) |
| Hattula to Ortenberg | 944.93 mi (1,520.72 km) |
| Hattula to Oschatz | 798.78 mi (1,285.52 km) |
