| Saarlouis to Novi di Modena | 362.52 mi (583.42 km) |
| Saarlouis to Novi Ligure | 329.12 mi (529.67 km) |
| Saarlouis to Nuoro | 634.49 mi (1,021.12 km) |
| Saarlouis to Occhiobello | 379.05 mi (610.03 km) |
| Saarlouis to Oderzo | 362.32 mi (583.10 km) |
| Saarlouis to Oggiono | 272.54 mi (438.62 km) |
| Saarlouis to Olbia | 595.56 mi (958.46 km) |
| Saarlouis to Oleggio | 271.43 mi (436.82 km) |
| Saarlouis to Olgiate Comasco | 265.09 mi (426.62 km) |
| Saarlouis to Olgiate Olona | 273.27 mi (439.79 km) |
| Saarlouis to Omegna | 249.79 mi (402.01 km) |
| Saarlouis to Opera | 295.24 mi (475.15 km) |
| Saarlouis to Oppeano | 346.51 mi (557.65 km) |
| Saarlouis to Orbassano | 300.03 mi (482.85 km) |
| Saarlouis to Orbetello | 521.18 mi (838.75 km) |
