| Holladay to Opole | 5,435.49 mi (8,747.58 km) |
| Holladay to Orzesze | 5,485.54 mi (8,828.12 km) |
| Holladay to Osowa | 5,240.23 mi (8,433.34 km) |
| Holladay to Ostroda | 5,316.56 mi (8,556.17 km) |
| Holladay to Ostroleka | 5,390.16 mi (8,674.63 km) |
| Holladay to Ostrow Mazowiecka | 5,413.21 mi (8,711.71 km) |
| Holladay to Ostrow Wielkopolski | 5,377.96 mi (8,654.99 km) |
| Holladay to Ostrowiec Swietokrzyski | 5,508.03 mi (8,864.32 km) |
| Holladay to Ostrzeszow | 5,393.86 mi (8,680.58 km) |
| Holladay to Oswiecim | 5,504.02 mi (8,857.86 km) |
| Holladay to Otwock | 5,437.25 mi (8,750.41 km) |
| Holladay to Ozarow Mazowiecki | 5,420.34 mi (8,723.19 km) |
| Holladay to Ozimek | 5,442.41 mi (8,758.71 km) |
| Holladay to Ozorkow | 5,397.30 mi (8,686.12 km) |
| Holladay to Pabianice | 5,417.57 mi (8,718.73 km) |
