| Blue Ash to Cavaillon | 4,397.81 mi (7,077.59 km) |
| Blue Ash to Cebazat | 4,247.63 mi (6,835.91 km) |
| Blue Ash to Cenon | 4,122.43 mi (6,634.41 km) |
| Blue Ash to Cergy | 4,103.31 mi (6,603.63 km) |
| Blue Ash to Cernay | 4,350.19 mi (7,000.96 km) |
| Blue Ash to Cesson | 4,139.68 mi (6,662.17 km) |
| Blue Ash to Cesson-Sevigne | 3,978.76 mi (6,403.19 km) |
| Blue Ash to Cestas | 4,119.38 mi (6,629.51 km) |
| Blue Ash to Chalette-sur-Loing | 4,162.48 mi (6,698.87 km) |
| Blue Ash to Challans | 4,004.01 mi (6,443.83 km) |
| Blue Ash to Chalon-sur-Saone | 4,289.79 mi (6,903.75 km) |
| Blue Ash to Chalons-en-Champagne | 4,198.90 mi (6,757.48 km) |
| Blue Ash to Chamalieres | 4,248.12 mi (6,836.69 km) |
| Blue Ash to Chambery | 4,374.96 mi (7,040.82 km) |
| Blue Ash to Chambly | 4,106.85 mi (6,609.34 km) |
