| Simi Valley to Noventa Vicentina | 6,122.84 mi (9,853.75 km) |
| Simi Valley to Novi di Modena | 6,124.14 mi (9,855.85 km) |
| Simi Valley to Novi Ligure | 6,064.22 mi (9,759.42 km) |
| Simi Valley to Nuoro | 6,314.88 mi (10,162.82 km) |
| Simi Valley to Occhiobello | 6,143.71 mi (9,887.35 km) |
| Simi Valley to Oderzo | 6,125.11 mi (9,857.42 km) |
| Simi Valley to Oggiono | 6,028.60 mi (9,702.09 km) |
| Simi Valley to Olbia | 6,289.05 mi (10,121.26 km) |
| Simi Valley to Oleggio | 6,015.54 mi (9,681.08 km) |
| Simi Valley to Olgiate Comasco | 6,016.54 mi (9,682.68 km) |
| Simi Valley to Olgiate Olona | 6,021.74 mi (9,691.05 km) |
| Simi Valley to Omegna | 5,993.89 mi (9,646.24 km) |
| Simi Valley to Opera | 6,045.36 mi (9,729.07 km) |
| Simi Valley to Oppeano | 6,111.19 mi (9,835.00 km) |
| Simi Valley to Orbassano | 6,010.93 mi (9,673.66 km) |
