| Grosuplje to Opole | 358.59 mi (577.10 km) |
| Grosuplje to Orzesze | 345.94 mi (556.73 km) |
| Grosuplje to Osowa | 608.97 mi (980.04 km) |
| Grosuplje to Ostroda | 584.73 mi (941.03 km) |
| Grosuplje to Ostroleka | 580.39 mi (934.05 km) |
| Grosuplje to Ostrow Mazowiecka | 573.70 mi (923.28 km) |
| Grosuplje to Ostrow Wielkopolski | 418.80 mi (673.99 km) |
| Grosuplje to Ostrowiec Swietokrzyski | 462.05 mi (743.60 km) |
| Grosuplje to Ostrzeszow | 405.78 mi (653.04 km) |
| Grosuplje to Oswiecim | 352.19 mi (566.79 km) |
| Grosuplje to Otwock | 520.01 mi (836.88 km) |
| Grosuplje to Ozarow Mazowiecki | 513.85 mi (826.95 km) |
| Grosuplje to Ozimek | 364.55 mi (586.69 km) |
| Grosuplje to Ozorkow | 465.16 mi (748.60 km) |
| Grosuplje to Pabianice | 448.22 mi (721.34 km) |
