| Ostringen to Novi di Modena | 316.14 mi (508.78 km) |
| Ostringen to Novi Ligure | 308.19 mi (495.98 km) |
| Ostringen to Nuoro | 615.87 mi (991.14 km) |
| Ostringen to Occhiobello | 326.17 mi (524.92 km) |
| Ostringen to Oderzo | 295.91 mi (476.22 km) |
| Ostringen to Oggiono | 239.28 mi (385.08 km) |
| Ostringen to Olbia | 574.94 mi (925.28 km) |
| Ostringen to Oleggio | 250.10 mi (402.50 km) |
| Ostringen to Olgiate Comasco | 237.71 mi (382.56 km) |
| Ostringen to Olgiate Olona | 247.91 mi (398.97 km) |
| Ostringen to Omegna | 231.30 mi (372.23 km) |
| Ostringen to Opera | 266.10 mi (428.25 km) |
| Ostringen to Oppeano | 294.54 mi (474.01 km) |
| Ostringen to Orbassano | 296.21 mi (476.70 km) |
| Ostringen to Orbetello | 483.61 mi (778.30 km) |
