| Kocaeli to Redon | 1,641.67 mi (2,642.01 km) |
| Kocaeli to Reims | 1,384.87 mi (2,228.74 km) |
| Kocaeli to Rennes | 1,626.15 mi (2,617.03 km) |
| Kocaeli to Revel | 1,435.99 mi (2,311.01 km) |
| Kocaeli to Reze | 1,615.08 mi (2,599.22 km) |
| Kocaeli to Riedisheim | 1,210.18 mi (1,947.60 km) |
| Kocaeli to Rillieux-la-Pape | 1,299.87 mi (2,091.94 km) |
| Kocaeli to Riom | 1,385.86 mi (2,230.32 km) |
| Kocaeli to Riorges | 1,342.56 mi (2,160.64 km) |
| Kocaeli to Ris-Orangis | 1,446.43 mi (2,327.81 km) |
| Kocaeli to Rive-de-Gier | 1,311.24 mi (2,110.24 km) |
| Kocaeli to Rivesaltes | 1,394.55 mi (2,244.31 km) |
| Kocaeli to Rixheim | 1,208.51 mi (1,944.90 km) |
| Kocaeli to Roanne | 1,341.16 mi (2,158.39 km) |
| Kocaeli to Roche-la-Moliere | 1,324.79 mi (2,132.04 km) |
