| Citrus Heights to Opole | 5,786.23 mi (9,312.04 km) |
| Citrus Heights to Orzesze | 5,835.26 mi (9,390.94 km) |
| Citrus Heights to Osowa | 5,574.57 mi (8,971.40 km) |
| Citrus Heights to Ostroda | 5,648.48 mi (9,090.35 km) |
| Citrus Heights to Ostroleka | 5,718.69 mi (9,203.35 km) |
| Citrus Heights to Ostrow Mazowiecka | 5,741.49 mi (9,240.04 km) |
| Citrus Heights to Ostrow Wielkopolski | 5,725.38 mi (9,214.11 km) |
| Citrus Heights to Ostrowiec Swietokrzyski | 5,845.03 mi (9,406.67 km) |
| Citrus Heights to Ostrzeszow | 5,741.76 mi (9,240.46 km) |
| Citrus Heights to Oswiecim | 5,852.42 mi (9,418.56 km) |
| Citrus Heights to Otwock | 5,770.41 mi (9,286.58 km) |
| Citrus Heights to Ozarow Mazowiecki | 5,754.85 mi (9,261.54 km) |
| Citrus Heights to Ozimek | 5,792.12 mi (9,321.51 km) |
| Citrus Heights to Ozorkow | 5,738.27 mi (9,234.86 km) |
| Citrus Heights to Pabianice | 5,759.37 mi (9,268.81 km) |
