| Gladenbach to Novi di Modena | 419.85 mi (675.68 km) |
| Gladenbach to Novi Ligure | 415.28 mi (668.33 km) |
| Gladenbach to Nuoro | 723.02 mi (1,163.59 km) |
| Gladenbach to Occhiobello | 427.12 mi (687.38 km) |
| Gladenbach to Oderzo | 388.54 mi (625.30 km) |
| Gladenbach to Oggiono | 346.21 mi (557.18 km) |
| Gladenbach to Olbia | 682.08 mi (1,097.70 km) |
| Gladenbach to Oleggio | 357.09 mi (574.68 km) |
| Gladenbach to Olgiate Comasco | 344.87 mi (555.01 km) |
| Gladenbach to Olgiate Olona | 355.05 mi (571.40 km) |
| Gladenbach to Omegna | 337.96 mi (543.90 km) |
| Gladenbach to Opera | 373.20 mi (600.61 km) |
| Gladenbach to Oppeano | 396.39 mi (637.92 km) |
| Gladenbach to Orbassano | 400.96 mi (645.28 km) |
| Gladenbach to Orbetello | 588.74 mi (947.48 km) |
