| Fredericia to Novi di Modena | 739.18 mi (1,189.59 km) |
| Fredericia to Novi Ligure | 747.93 mi (1,203.67 km) |
| Fredericia to Nuoro | 1,053.84 mi (1,696.00 km) |
| Fredericia to Occhiobello | 739.87 mi (1,190.71 km) |
| Fredericia to Oderzo | 686.58 mi (1,104.95 km) |
| Fredericia to Oggiono | 676.19 mi (1,088.22 km) |
| Fredericia to Olbia | 1,012.28 mi (1,629.11 km) |
| Fredericia to Oleggio | 690.35 mi (1,111.01 km) |
| Fredericia to Olgiate Comasco | 676.83 mi (1,089.25 km) |
| Fredericia to Olgiate Olona | 687.37 mi (1,106.21 km) |
| Fredericia to Omegna | 671.96 mi (1,081.41 km) |
| Fredericia to Opera | 703.99 mi (1,132.96 km) |
| Fredericia to Oppeano | 712.12 mi (1,146.04 km) |
| Fredericia to Orbassano | 736.00 mi (1,184.47 km) |
| Fredericia to Orbetello | 909.37 mi (1,463.50 km) |
