| Groveton to Opole | 4,410.83 mi (7,098.54 km) |
| Groveton to Orzesze | 4,459.92 mi (7,177.54 km) |
| Groveton to Osowa | 4,302.88 mi (6,924.81 km) |
| Groveton to Ostroda | 4,380.39 mi (7,049.55 km) |
| Groveton to Ostroleka | 4,459.42 mi (7,176.75 km) |
| Groveton to Ostrow Mazowiecka | 4,480.89 mi (7,211.30 km) |
| Groveton to Ostrow Wielkopolski | 4,372.67 mi (7,037.13 km) |
| Groveton to Ostrowiec Swietokrzyski | 4,530.95 mi (7,291.86 km) |
| Groveton to Ostrzeszow | 4,384.99 mi (7,056.96 km) |
| Groveton to Oswiecim | 4,481.81 mi (7,212.78 km) |
| Groveton to Otwock | 4,482.95 mi (7,214.61 km) |
| Groveton to Ozarow Mazowiecki | 4,462.47 mi (7,181.65 km) |
| Groveton to Ozimek | 4,421.20 mi (7,115.23 km) |
| Groveton to Ozorkow | 4,416.00 mi (7,106.87 km) |
| Groveton to Pabianice | 4,430.78 mi (7,130.65 km) |
