| Boulder to Buhusi | 5,753.59 mi (9,259.52 km) |
| Boulder to Bumbesti-Jiu | 5,745.56 mi (9,246.58 km) |
| Boulder to Busteni | 5,794.71 mi (9,325.68 km) |
| Boulder to Buzau | 5,845.31 mi (9,407.11 km) |
| Boulder to Cajvana | 5,677.87 mi (9,137.65 km) |
| Boulder to Calafat | 5,798.66 mi (9,332.04 km) |
| Boulder to Calan | 5,703.95 mi (9,179.62 km) |
| Boulder to Calarasi | 5,913.80 mi (9,517.35 km) |
| Boulder to Campia Turzii | 5,684.32 mi (9,148.02 km) |
| Boulder to Campina | 5,816.27 mi (9,360.39 km) |
| Boulder to Campulung | 5,788.82 mi (9,316.20 km) |
| Boulder to Campulung Moldovenesc | 5,676.26 mi (9,135.05 km) |
| Boulder to Caracal | 5,832.99 mi (9,387.29 km) |
| Boulder to Caransebes | 5,697.99 mi (9,170.03 km) |
| Boulder to Carei | 5,581.65 mi (8,982.80 km) |
