| Ottawa to Chaudfontaine | 4,266.21 mi (6,865.80 km) |
| Ottawa to Chaumont-Gistoux | 4,227.51 mi (6,803.52 km) |
| Ottawa to Chimay | 4,236.01 mi (6,817.19 km) |
| Ottawa to Ciney | 4,256.55 mi (6,850.25 km) |
| Ottawa to Colfontaine | 4,205.70 mi (6,768.43 km) |
| Ottawa to Courcelles | 4,223.62 mi (6,797.27 km) |
| Ottawa to Court-Saint-Etienne | 4,224.53 mi (6,798.72 km) |
| Ottawa to Couvin | 4,242.32 mi (6,827.35 km) |
| Ottawa to Damme | 4,154.74 mi (6,686.41 km) |
| Ottawa to De Haan | 4,144.59 mi (6,670.08 km) |
| Ottawa to De Panne | 4,133.89 mi (6,652.85 km) |
| Ottawa to De Pinte | 4,177.18 mi (6,722.53 km) |
| Ottawa to Deerlijk | 4,171.17 mi (6,712.85 km) |
| Ottawa to Deinze | 4,173.39 mi (6,716.42 km) |
| Ottawa to Denderleeuw | 4,197.52 mi (6,755.26 km) |
