| Rancho Santa Margarita to Opole | 6,013.34 mi (9,677.54 km) |
| Rancho Santa Margarita to Orzesze | 6,063.28 mi (9,757.90 km) |
| Rancho Santa Margarita to Osowa | 5,815.24 mi (9,358.73 km) |
| Rancho Santa Margarita to Ostroda | 5,891.16 mi (9,480.90 km) |
| Rancho Santa Margarita to Ostroleka | 5,964.14 mi (9,598.35 km) |
| Rancho Santa Margarita to Ostrow Mazowiecka | 5,987.15 mi (9,635.38 km) |
| Rancho Santa Margarita to Ostrow Wielkopolski | 5,955.30 mi (9,584.14 km) |
| Rancho Santa Margarita to Ostrowiec Swietokrzyski | 6,083.76 mi (9,790.86 km) |
| Rancho Santa Margarita to Ostrzeszow | 5,971.28 mi (9,609.85 km) |
| Rancho Santa Margarita to Oswiecim | 6,081.58 mi (9,787.36 km) |
| Rancho Santa Margarita to Otwock | 6,012.20 mi (9,675.70 km) |
| Rancho Santa Margarita to Ozarow Mazowiecki | 5,995.53 mi (9,648.88 km) |
| Rancho Santa Margarita to Ozimek | 6,020.12 mi (9,688.45 km) |
| Rancho Santa Margarita to Ozorkow | 5,973.64 mi (9,613.64 km) |
| Rancho Santa Margarita to Pabianice | 5,994.06 mi (9,646.50 km) |
