| Birkerod to Novi di Modena | 758.84 mi (1,221.23 km) |
| Birkerod to Novi Ligure | 781.62 mi (1,257.90 km) |
| Birkerod to Nuoro | 1,081.33 mi (1,740.23 km) |
| Birkerod to Occhiobello | 754.84 mi (1,214.80 km) |
| Birkerod to Oderzo | 694.57 mi (1,117.79 km) |
| Birkerod to Oggiono | 707.13 mi (1,138.02 km) |
| Birkerod to Olbia | 1,039.15 mi (1,672.36 km) |
| Birkerod to Oleggio | 726.05 mi (1,168.46 km) |
| Birkerod to Olgiate Comasco | 710.46 mi (1,143.38 km) |
| Birkerod to Olgiate Olona | 721.40 mi (1,160.99 km) |
| Birkerod to Omegna | 709.60 mi (1,141.98 km) |
| Birkerod to Opera | 735.46 mi (1,183.62 km) |
| Birkerod to Oppeano | 729.81 mi (1,174.52 km) |
| Birkerod to Orbassano | 777.95 mi (1,251.99 km) |
| Birkerod to Orbetello | 927.04 mi (1,491.92 km) |
