| Gartringen to Novi di Modena | 275.66 mi (443.63 km) |
| Gartringen to Novi Ligure | 268.25 mi (431.70 km) |
| Gartringen to Nuoro | 575.53 mi (926.23 km) |
| Gartringen to Occhiobello | 286.52 mi (461.11 km) |
| Gartringen to Oderzo | 259.70 mi (417.94 km) |
| Gartringen to Oggiono | 198.56 mi (319.55 km) |
| Gartringen to Olbia | 534.49 mi (860.17 km) |
| Gartringen to Oleggio | 210.47 mi (338.73 km) |
| Gartringen to Olgiate Comasco | 197.46 mi (317.78 km) |
| Gartringen to Olgiate Olona | 207.80 mi (334.42 km) |
| Gartringen to Omegna | 192.28 mi (309.45 km) |
| Gartringen to Opera | 225.56 mi (363.01 km) |
| Gartringen to Oppeano | 254.65 mi (409.83 km) |
| Gartringen to Orbassano | 259.18 mi (417.12 km) |
| Gartringen to Orbetello | 442.78 mi (712.59 km) |
