| Radviliskis to Oerlinghausen | 659.76 mi (1,061.79 km) |
| Radviliskis to Oestrich-Winkel | 759.43 mi (1,222.18 km) |
| Radviliskis to Offenburg | 830.74 mi (1,336.95 km) |
| Radviliskis to Oftersheim | 766.86 mi (1,234.14 km) |
| Radviliskis to Ohrdruf | 629.33 mi (1,012.80 km) |
| Radviliskis to Ohringen | 744.13 mi (1,197.56 km) |
| Radviliskis to Olbernhau | 550.69 mi (886.25 km) |
| Radviliskis to Olching | 737.26 mi (1,186.50 km) |
| Radviliskis to Oldenburg | 640.98 mi (1,031.56 km) |
| Radviliskis to Oldenburg in Holstein | 511.19 mi (822.68 km) |
| Radviliskis to Olfen | 715.95 mi (1,152.21 km) |
| Radviliskis to Olpe | 724.57 mi (1,166.07 km) |
| Radviliskis to Olsberg | 688.43 mi (1,107.92 km) |
| Radviliskis to Oranienburg | 465.60 mi (749.32 km) |
| Radviliskis to Ortenberg | 707.45 mi (1,138.54 km) |
