| Olecko to Creutzwald | 753.38 mi (1,212.44 km) |
| Olecko to Croissy-sur-Seine | 941.90 mi (1,515.84 km) |
| Olecko to Croix | 845.77 mi (1,361.13 km) |
| Olecko to Crosne | 935.05 mi (1,504.82 km) |
| Olecko to Cuers | 1,053.02 mi (1,694.66 km) |
| Olecko to Cugnaux | 1,197.82 mi (1,927.70 km) |
| Olecko to Cusset | 1,000.43 mi (1,610.03 km) |
| Olecko to Dammarie-le-Lys | 935.08 mi (1,504.86 km) |
| Olecko to Dammartin-en-Goele | 914.62 mi (1,471.94 km) |
| Olecko to Dardilly | 968.48 mi (1,558.61 km) |
| Olecko to Darnetal | 962.45 mi (1,548.91 km) |
| Olecko to Dax | 1,276.61 mi (2,054.50 km) |
| Olecko to Decines-Charpieu | 962.84 mi (1,549.55 km) |
| Olecko to Denain | 845.87 mi (1,361.29 km) |
| Olecko to Deuil-la-Barre | 931.22 mi (1,498.65 km) |
