| Simi Valley to Opole | 6,002.98 mi (9,660.87 km) |
| Simi Valley to Orzesze | 6,052.74 mi (9,740.94 km) |
| Simi Valley to Osowa | 5,801.56 mi (9,336.71 km) |
| Simi Valley to Ostroda | 5,877.05 mi (9,458.19 km) |
| Simi Valley to Ostroleka | 5,949.41 mi (9,574.65 km) |
| Simi Valley to Ostrow Mazowiecka | 5,972.38 mi (9,611.62 km) |
| Simi Valley to Ostrow Wielkopolski | 5,944.25 mi (9,566.35 km) |
| Simi Valley to Ostrowiec Swietokrzyski | 6,070.71 mi (9,769.86 km) |
| Simi Valley to Ostrzeszow | 5,960.33 mi (9,592.23 km) |
| Simi Valley to Oswiecim | 6,070.79 mi (9,769.99 km) |
| Simi Valley to Otwock | 5,998.37 mi (9,653.45 km) |
| Simi Valley to Ozarow Mazowiecki | 5,981.96 mi (9,627.04 km) |
| Simi Valley to Ozimek | 6,009.56 mi (9,671.45 km) |
| Simi Valley to Ozorkow | 5,961.32 mi (9,593.81 km) |
| Simi Valley to Pabianice | 5,981.91 mi (9,626.95 km) |
