| Hamburg to Novi di Modena | 599.48 mi (964.77 km) |
| Hamburg to Novi Ligure | 609.84 mi (981.43 km) |
| Hamburg to Nuoro | 914.86 mi (1,472.33 km) |
| Hamburg to Occhiobello | 600.38 mi (966.21 km) |
| Hamburg to Oderzo | 548.16 mi (882.18 km) |
| Hamburg to Oggiono | 537.41 mi (864.87 km) |
| Hamburg to Olbia | 873.19 mi (1,405.26 km) |
| Hamburg to Oleggio | 552.67 mi (889.43 km) |
| Hamburg to Olgiate Comasco | 538.60 mi (866.79 km) |
| Hamburg to Olgiate Olona | 549.25 mi (883.94 km) |
| Hamburg to Omegna | 534.80 mi (860.67 km) |
| Hamburg to Opera | 565.35 mi (909.84 km) |
| Hamburg to Oppeano | 572.47 mi (921.31 km) |
| Hamburg to Orbassano | 600.50 mi (966.41 km) |
| Hamburg to Orbetello | 769.68 mi (1,238.68 km) |
