| Konstancin-Jeziorna to Orbetello | 810.61 mi (1,304.54 km) |
| Konstancin-Jeziorna to Oria | 817.17 mi (1,315.12 km) |
| Konstancin-Jeziorna to Oristano | 1,030.97 mi (1,659.18 km) |
| Konstancin-Jeziorna to Orta Nova | 785.27 mi (1,263.78 km) |
| Konstancin-Jeziorna to Orte | 779.51 mi (1,254.51 km) |
| Konstancin-Jeziorna to Ortona | 741.95 mi (1,194.05 km) |
| Konstancin-Jeziorna to Orvieto | 770.78 mi (1,240.45 km) |
| Konstancin-Jeziorna to Orzinuovi | 686.28 mi (1,104.45 km) |
| Konstancin-Jeziorna to Osimo | 690.99 mi (1,112.05 km) |
| Konstancin-Jeziorna to Ospitaletto | 673.84 mi (1,084.44 km) |
| Konstancin-Jeziorna to Ostuni | 801.82 mi (1,290.40 km) |
| Konstancin-Jeziorna to Ottaviano | 837.13 mi (1,347.23 km) |
| Konstancin-Jeziorna to Ovada | 767.69 mi (1,235.48 km) |
| Konstancin-Jeziorna to Ozieri | 979.61 mi (1,576.53 km) |
| Konstancin-Jeziorna to Paceco | 1,058.47 mi (1,703.44 km) |
