| Kas to Nuth | 1,552.29 mi (2,498.16 km) |
| Kas to Oegstgeest | 1,650.20 mi (2,655.74 km) |
| Kas to Oirschot | 1,595.01 mi (2,566.92 km) |
| Kas to Oisterwijk | 1,601.70 mi (2,577.69 km) |
| Kas to Oldebroek | 1,609.82 mi (2,590.75 km) |
| Kas to Oldenzaal | 1,569.00 mi (2,525.06 km) |
| Kas to Ommen | 1,594.73 mi (2,566.47 km) |
| Kas to Oosterend | 1,626.33 mi (2,617.33 km) |
| Kas to Oosterhout | 1,616.39 mi (2,601.33 km) |
| Kas to Oosterwolde | 1,618.25 mi (2,604.32 km) |
| Kas to Oostzaan | 1,644.68 mi (2,646.86 km) |
| Kas to Opmeer | 1,652.51 mi (2,659.46 km) |
| Kas to Oss | 1,597.05 mi (2,570.20 km) |
| Kas to Oud-Beijerland | 1,639.33 mi (2,638.24 km) |
| Kas to Oudenbosch | 1,626.66 mi (2,617.86 km) |
